Home / 71,193.24-98,243.47-40,979.50

Finding the Fourth Proportional to 71,193.24, 98,243.47 and 40,979.50

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Solution

The fourth proportional to 71,193.24, 98,243.47 and 40,979.50 is: 56,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,193.24 : 98,243.47 = 40,979.50 : x
  2. Step 2: Convert to fraction form
    71,193.24/98,243.47 = 40,979.50/x
  3. Step 3: Cross multiply
    71,193.24x = 98,243.47 × 40,979.50
  4. Step 4: Simplify right side
    71,193.24x = 4,025,968,278.87
  5. Step 5: Solve for x
    x = 4,025,968,278.87/71,193.24
  6. Step 6: Final answer
    x = 56,549.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.